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What does the frequency spectrum of noise energy look like?

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The audio frequency spectrum represents the range of frequencies that the human ear can interpret. Sound frequency is measured in Hertz (Hz) unit. This audible frequency range, in the average person at birth, is from 20Hz to 20000Hz, or 20 kHz. The audio frequency spectrum is also known as sound frequency spectrum.

What does the frequency spectrum of noise energy look like?-example-1
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User Keerthivasan
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